CN101925143A - Multi-carrier switching method, system and device - Google Patents
Multi-carrier switching method, system and device Download PDFInfo
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- CN101925143A CN101925143A CN2009101627334A CN200910162733A CN101925143A CN 101925143 A CN101925143 A CN 101925143A CN 2009101627334 A CN2009101627334 A CN 2009101627334A CN 200910162733 A CN200910162733 A CN 200910162733A CN 101925143 A CN101925143 A CN 101925143A
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Abstract
The embodiment of the invention discloses a multi-carrier switching method. The method is characterized by comprising that: a target base station receives configuration information of one or more member carriers from a source base station; the target base station acquires incremental configuration information of the complete configuration information of target member carriers relative to source member carriers; and the target base station sends the incremental configuration information to user equipment (UE) through the source base station so that the UE performs parameter configuration on the target member carriers according to the incremental configuration information and the switching from the source base station to the target base station is finished. In the embodiment of the invention, the target base station acquires the incremental configuration information of the target member carriers relative to the source member carriers, and sends the incremental configuration information to the UE through the source base station so that the UE performs parameter configuration on the target member carriers according to the incremental configuration information; therefore, multi-carrier switching is realized.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the mthods, systems and devices that a kind of multicarrier switches.
Background technology
At 3GPP LTE (3rd Generation Partnership Proj ect Long Term Evolution, third generation partner program Long Term Evolution) in system and the wireless communication system more early, only hold a carrier wave in the sub-district, the maximum bandwidth of carrier wave is 20MHz.In the LTE system, each sub-district has only a carrier wave, and when UE (User Equipment, subscriber equipment) was operated on this carrier wave, the base station can be at first all sends to UE with all parameters of this carrier wave, and UE is disposed fully according to all parameters.Afterwards, if some configuration need be changed in the base station, then only need carry out increment (delta) configuration to this carrier wave, the configuration information that the parameter of change promptly only will take place sends to UE, and UE only reconfigures the parameter that wherein comprises after receiving these parameter configuration, and to other parameters, then acquiescence does not change, if no special instructions, and the configuration before will continuing to use.When the sub-district switching takes place in UE, source base station will be passed to target BS to UE in the parameter configuration of current area by interface message, target BS need compare the parameter configuration of Target cell and the parameter configuration of cell-of-origin, its discrepant part (increment) is fed back to source base station by switching command, and source base station is transmitted to UE again through eating dishes without rice or wine.For UE, after receiving switching command, can carry out parameter configuration to the carrier wave of Target cell according to the increment configuration information, thereby finish the switching from the cell-of-origin to the Target cell.
In 3GPP LTE Advanced system, require descending peak rate to reach 1Gbps, up peak rate reaches 500Mbps, requires if only use a maximum bandwidth can't reach peak rate as the carrier wave of 20MHz.Therefore, 3GPP LTE Advanced system needs the operable bandwidth of terminal extension, in a sub-district, comprise a plurality of carrier waves or a plurality of single-carrier cell polymerizations get up are used, and introduce CA (Carrier Aggregation, carrier aggregation) technology, being about to continuous or discrete a plurality of carrier wave (being commonly referred to as member carrier) and concentrating in together, when single carrier wave can't satisfy transmission rate request, is Terminal Service simultaneously.Generally speaking, can work under each member carrier in order to guarantee terminal, the bandwidth maximum of each member carrier is no more than 20MHz.Fig. 1 is the CA know-why schematic diagram of LTE-A, the base station of LTE-A system exist down 4 can polymerization carrier wave.Transfer of data can be carried out with terminal simultaneously in the base station on 4 carrier waves, to improve message transmission rate.
In the multicarrier handoff procedure, UE was called " source member's carrier wave " at the carrier wave of the employed a plurality of polymerizations of source base station before switching, and UE is after switching, and the carrier wave that continues a plurality of polymerizations of using at target BS is called " target member carrier ".
In realizing process of the present invention, the inventor finds to have following shortcoming in the prior art at least:
Because the terminal of LTE-A system can be used a plurality of carrier waves simultaneously,,, behind the Target cell that switches to so, can carry out the multicarrier transfer of data equally if promptly UE carries out the multicarrier transfer of data in the cell-of-origin so require system to support the multicarrier of UE to switch.But at present, the technical scheme that multicarrier switches is not proposed also in the prior art.
Summary of the invention
The mthods, systems and devices that the embodiment of the invention provides a kind of multicarrier to switch have been realized the multicarrier switching.
The method that the embodiment of the invention provides a kind of multicarrier to switch comprises:
Target BS receives the configuration information from the one or more member carriers of source base station;
Described target BS obtains the increment configuration information of target member carrier with respect to the complete configuration information of source member's carrier wave;
Described target BS sends to user equipment (UE) with described increment configuration information by described source base station, makes described UE carry out parameter configuration according to described increment configuration information to each target member carrier, finishes the switching from the source base station to the target BS.
Preferably, if target BS receives the configuration information from a member carrier of source base station,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a member carrier of source base station:
Described target BS obtains the target member carrier with respect to the increment configuration information from the complete configuration information of source main carrier.
Preferably, if target BS receives the configuration information from a plurality of member carriers of source base station,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS obtains the increment configuration information of target member carrier with respect to the complete configuration information of source main carrier; Or
Described target BS is selected a carrier wave from source member's carrier wave, and obtains the increment configuration information of target member carrier with respect to the complete configuration information of the carrier wave of this selection.
Preferably, if target BS receives configuration information from a plurality of member carriers of source base station, and target member carrier number is greater than source member's carrier wave number,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS is set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier;
Described target BS is set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtains the increment configuration information of residue target member carrier according to corresponding relation.
Preferably, if target BS receives configuration information from a plurality of member carriers of source base station, and target member carrier number equals source member's carrier wave number,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS is set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtains the increment configuration information of each target member carrier according to one-to-one relationship.
Preferably, if target BS receives configuration information from a plurality of member carriers of source base station, and target member carrier number is less than source member's carrier wave number,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS is set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtains the increment configuration information of each target member carrier according to one-to-one relationship.
The embodiment of the invention also provides a kind of system that realizes that multicarrier switches, and comprises source base station, target BS and UE, wherein,
Described source base station is used for the configuration information to one or more member carriers of described target BS transmission source base station;
Described target BS is used to receive the configuration information from each source member's carrier wave of described source base station; Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of one or more member carriers of source base station; Described increment configuration information is sent to described UE by described source base station;
Described UE is used for according to the increment configuration information from described target BS each target member carrier being carried out parameter configuration, finishes the switching from the source base station to the target BS.
The embodiment of the invention also provides a kind of base station, comprising:
Receiving element is used to receive the configuration information from one or more member carriers of source base station;
Acquiring unit is used to obtain the increment configuration information of each target member carrier with respect to the complete configuration information of one or more member carriers of the source base station of described receiving element reception;
Transmitting element, the increment configuration information that is used for described acquiring unit is obtained sends to UE by described source base station, makes described UE carry out parameter configuration according to described increment configuration information to each target member carrier.
Preferably, if described receiving element receives the configuration information from a member carrier of source base station, described acquiring unit specifically is used for,
Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of this source member's carrier wave.
Preferably, if described receiving element receives the configuration information from a plurality of member carriers of source base station, described acquiring unit specifically is used for,
Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the main carrier of source base station; Or
From each member carrier of source base station, select a carrier wave, and obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the carrier wave of this selection.
Preferably, if described receiving element receives configuration information from a plurality of member carriers of source base station, and target member carrier number is greater than source member's carrier wave number, and described acquiring unit specifically is used for,
Set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier;
Set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtain the increment configuration information of residue target member carrier according to corresponding relation.
Preferably, if described receiving element receives configuration information from a plurality of member carriers of source base station, and target member carrier number equals source member's carrier wave number, and described acquiring unit specifically is used for,
Set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
Preferably, if described receiving element receives configuration information from a plurality of member carriers of source base station, and target member carrier number is less than source member's carrier wave number, and described acquiring unit specifically is used for,
Set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
Compared with prior art, the embodiment of the invention has the following advantages:
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of CA know-why schematic diagram;
Fig. 2 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention one;
Fig. 3 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention two;
Fig. 4 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention three;
Fig. 5 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention four;
Fig. 6 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention five;
Fig. 7 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention six;
Fig. 8 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention seven;
Fig. 9 is the method flow diagram that a kind of multicarrier switches in the embodiment of the invention eight;
Figure 10 is a kind of system construction drawing of realizing that multicarrier switches in the embodiment of the invention nine;
Figure 11 is a kind of architecture of base station figure in the embodiment of the invention ten.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In the embodiment of the invention, target BS obtains the increment configuration information of target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to the target member carrier according to the increment configuration information, realized the multicarrier switching.
The method that the embodiment of the invention one provides a kind of multicarrier to switch, detailed process may further comprise the steps as shown in Figure 2:
Concrete, target BS obtains the target member carrier and can comprise with respect to the increment configuration information of the complete configuration information of a member carrier of source base station: target BS obtains the increment configuration information of target member carrier with respect to the complete configuration information of source main carrier; Or from source member's carrier wave, select a carrier wave, and obtain the increment configuration information of target member carrier with respect to the complete configuration information of the carrier wave of this selection.
Concrete, target BS obtains the target member carrier and can comprise with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
If target member carrier number is greater than source member's carrier wave number, target BS is set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier; Set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtain the increment configuration information of residue target member carrier according to corresponding relation.
If target member carrier number equals source member's carrier wave number, target BS is set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtains the increment configuration information of each target member carrier according to one-to-one relationship.
If target member carrier number is less than source member's carrier wave number, target BS is set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtains the increment configuration information of each target member carrier according to one-to-one relationship.
The embodiment of the invention two has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment two, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, carrier wave 1 is a main carrier, being UE is based on the increment configuration of carrier wave 1 at the configuration information of the carrier wave 2 of source base station and carrier wave 3, UE need switch to target BS from source base station, and detailed process may further comprise the steps as shown in Figure 3:
In the embodiment of the invention, target BS select target carrier wave 4, carrier wave 5 and carrier wave 6 are as the member carrier of carrying UE business.
The incrementation parameter configuration information of carrier wave 4,5,6 is meant information different with the configuration of carrier wave 1 on the carrier wave 4,5,6.For example, the measurement gap in the measurement configuration information of carrier wave 4 is different with carrier wave 1, and then the incrementation parameter configuration information of carrier wave 4 comprises the measurement gap configuration information of carrier wave 4; And the information identical on the carrier wave 4 with the parameter configuration of carrier wave 1, to in this incrementation parameter configuration information, not carry, for example, PDSCH in the physical layer configurations of carrier wave 4 (Physical Downlink Shared Channel, physical down link sharing channel) configuration information and carrier wave 1 is identical, does not then comprise the PDSCH configuration information of carrier wave 4 in the incrementation parameter configuration information of carrier wave 4.
In the embodiment of the invention, target BS need send to UE with respect to the increment configuration information of carrier wave 1 with carrier wave 4, carrier wave 5 and carrier wave 6.Concrete, target BS can adopt special RRC signaling as shown in table 1 that the increment configuration information is sent to UE.
Table 1
| Carrier index | Configuration |
| Carrier wave | |
| 4 | |
| Carrier wave 5 | Carrier wave 5 is based on the increment configuration information of |
| Carrier wave 6 | Carrier wave 6 is based on the increment configuration information of |
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 1 to carrier wave 4, carrier wave 5 and carrier wave 6 according to carrier wave 4, carrier wave 5 and carrier wave 6, UE acquiescence not have the parameter of appearance to be the parameter identical with carrier wave 1 in the increment configuration information of carrier wave 4, carrier wave 5 and carrier wave 6, for these parameters, UE will be configured according to the parameter of carrier wave 1.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention three has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment three, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, and UE need switch to target BS from source base station, detailed process may further comprise the steps as shown in Figure 4:
Step 401, source base station is with the parameter configuration notification target base station of UE at source carrier wave 1, carrier wave 2 and carrier wave 3.
Step 402, target BS are selected the target member carrier of carrying UE business, and select to switch reference carrier.
In the embodiment of the invention, target BS select target carrier wave 4, carrier wave 5 and carrier wave 6 are as the member carrier of carrying UE business, and the carrier wave 2 of selection source base station is as switching reference carriers.
Step 403, target BS are obtained the increment configuration information of each member carrier with respect to the complete configuration information of switching reference carrier.In the present embodiment, target BS need obtain carrier wave 4, carrier wave 5 and the carrier wave 6 increment configuration information with respect to carrier wave 2.
Step 404, target BS sends to source base station with the increment configuration information of each target member carrier.
In the embodiment of the invention, target BS need send to UE with respect to the increment configuration information of carrier wave 2 with carrier wave 4, carrier wave 5 and carrier wave 6.Concrete, target BS can adopt special RRC signaling as shown in table 2 that the increment configuration information is sent to UE.
Table 2
| Carrier index | Configuration |
| Carrier wave | |
| 4 | |
| Carrier wave 5 | Carrier wave 5 is based on the increment configuration information of |
| Carrier wave 6 | Carrier wave 6 is based on the increment configuration information of |
Step 405, source base station will send to UE from the increment configuration information of target BS by eating dishes without rice or wine.
Step 406, UE carries out parameter configuration according to the increment configuration information to each target member carrier, finishes the switching from the source base station to the target BS.
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 2 to carrier wave 4, carrier wave 5 and carrier wave 6 according to carrier wave 4, carrier wave 5 and carrier wave 6, UE acquiescence not have the parameter of appearance to be the parameter identical with carrier wave 2 in the increment configuration information of carrier wave 4, carrier wave 5 and carrier wave 6, for these parameters, UE will be configured according to the parameter of carrier wave 2.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention four has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment four, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, UE need switch to target BS from source base station, the target member carrier number of the carrying UE business that target BS is selected is greater than source member's carrier wave number, detailed process may further comprise the steps as shown in Figure 5:
In the embodiment of the invention, target BS select target carrier wave 4, carrier wave 5, carrier wave 6 and carrier wave 7 are as the member carrier of carrying UE business.
In the embodiment of the invention, target BS is set up the corresponding relation of three carrier waves in carrier wave 1, carrier wave 2 and carrier wave 3 and carrier wave 4, carrier wave 5, carrier wave 6 and the carrier wave 7, for example, (carrier wave 1, carrier wave 4), (carrier wave 2, carrier wave 5), (carrier wave 3, carrier wave 6), then, generate the increment configuration information of carrier wave 4 based on the configuration of carrier wave 1, generate the increment configuration information of carrier wave 5 based on the configuration of carrier wave 2, generate the increment configuration information of carrier wave 6 based on the configuration of carrier wave 3.
In the embodiment of the invention, target BS is set up any one the corresponding relation in carrier wave 7 and carrier wave 1, carrier wave 2 or the carrier wave 3, for example, sets up the corresponding relation of carrier wave 7 and carrier wave 1, obtains the increment configuration information of carrier wave 7 with respect to carrier wave 1 then.
In the embodiment of the invention, target BS need send to UE with respect to the increment configuration information of carrier wave 3 and carrier wave 7 with respect to the increment configuration information of carrier wave 1 with respect to the increment configuration information of carrier wave 2, carrier wave 6 with respect to the increment configuration information of carrier wave 1, carrier wave 5 with carrier wave 4.Concrete, target BS can adopt special RRC signaling as shown in table 3 that the increment configuration information is sent to UE.
Table 3
| Carrier index | The carrier wave corresponding relation | Configuration |
| Carrier wave | ||
| 4 | |
|
| Carrier wave 5 | |
Carrier wave 5 is based on the increment configuration information of |
| Carrier wave 6 | |
Carrier wave 6 is based on the increment configuration information of |
| Carrier wave 7 | |
Carrier wave 7 is based on the increment configuration information of |
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 1 to carrier wave 4, carrier wave 5, carrier wave 6 and carrier wave 7 according to carrier wave 4, carrier wave 5, carrier wave 6 and carrier wave 7.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention five has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment five, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, UE need switch to target BS from source base station, the target member carrier number of the carrying UE business that target BS is selected is greater than source member's carrier wave number, detailed process may further comprise the steps as shown in Figure 6:
In the embodiment of the invention, target BS select target carrier wave 4, carrier wave 5, carrier wave 6 and carrier wave 7 are as the member carrier of carrying UE business.
In the embodiment of the invention, target BS is set up the corresponding relation of three carrier waves in carrier wave 1, carrier wave 2 and carrier wave 3 and carrier wave 4, carrier wave 5, carrier wave 6 and the carrier wave 7, for example, (carrier wave 1, carrier wave 4), (carrier wave 2, carrier wave 5), (carrier wave 3, carrier wave 6), then, generate the increment configuration information of carrier wave 4 based on the configuration of carrier wave 1, generate the increment configuration information of carrier wave 5 based on the configuration of carrier wave 2, generate the increment configuration information of carrier wave 6 based on the configuration of carrier wave 3.
In the embodiment of the invention, target BS need obtain the complete configuration information of carrier wave 7.
In the embodiment of the invention, target BS need send to UE with respect to increment configuration information, the carrier wave 6 of carrier wave 2 with respect to the increment configuration information of carrier wave 3 and the complete configuration information of carrier wave 7 with respect to increment configuration information, the carrier wave 5 of carrier wave 1 with carrier wave 4.Concrete, target BS can adopt special RRC signaling as shown in table 4 that the increment configuration information is sent to UE.
Table 4
| Carrier index | The carrier wave corresponding relation | Configuration |
| Carrier wave | ||
| 4 | |
|
| Carrier wave 5 | |
Carrier wave 5 is based on the increment configuration information of |
| Carrier wave 6 | |
Carrier wave 6 is based on the increment configuration information of |
| Carrier wave 7 | Do not have | The complete configuration information of carrier wave 7 |
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 1, carrier wave 2, carrier wave 3 to carrier wave 4, carrier wave 5, carrier wave 6 according to carrier wave 4, carrier wave 5, carrier wave 6, according to the complete configuration information of carrier wave 7 carrier wave 7 is carried out parameter configuration.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention six has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment six, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, UE need switch to target BS from source base station, the target member carrier number of the carrying UE business that target BS is selected equals source member's carrier wave number, detailed process may further comprise the steps as shown in Figure 7:
In the embodiment of the invention, target BS select target carrier wave 4, carrier wave 5 and carrier wave 6 are as the member carrier of carrying UE business.
In the embodiment of the invention, target BS is set up the corresponding relation of three carrier waves in carrier wave 1, carrier wave 2 and carrier wave 3 and carrier wave 4, carrier wave 5, carrier wave 6 and the carrier wave 7, for example, (carrier wave 1, carrier wave 4), (carrier wave 2, carrier wave 5), (carrier wave 3, carrier wave 6), then, generate the increment configuration information of carrier wave 4 based on the configuration of carrier wave 1, generate the increment configuration information of carrier wave 5 based on the configuration of carrier wave 2, generate the increment configuration information of carrier wave 6 based on the configuration of carrier wave 3.
In the embodiment of the invention, target BS need send to UE with respect to increment configuration information, the carrier wave 6 of carrier wave 2 with respect to the increment configuration information of carrier wave 3 with respect to increment configuration information, the carrier wave 5 of carrier wave 1 with carrier wave 4.Concrete, target BS can adopt special RRC signaling as shown in table 5 that the increment configuration information is sent to UE.
Table 5
| Carrier index | The carrier wave corresponding relation | Configuration |
| Carrier wave | ||
| 4 | |
|
| Carrier wave 5 | |
Carrier wave 5 is based on the increment configuration information of |
| Carrier wave 6 | |
Carrier wave 6 is based on the increment configuration information of |
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 1, carrier wave 2 and carrier wave 3 to carrier wave 4, carrier wave 5 and carrier wave 6 according to carrier wave 4, carrier wave 5 and carrier wave 6, and the UE acquiescence not have the parameter of appearance identical with each self-corresponding carrier wave in the increment configuration information of carrier wave 4, carrier wave 5 and carrier wave 6.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention seven has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment seven, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, UE need switch to target BS from source base station, the target member carrier number of the carrying UE business that target BS is selected is less than source member's carrier wave number, detailed process may further comprise the steps as shown in Figure 8:
Step 801, source base station is with the parameter configuration notification target base station of UE at source carrier wave 1, carrier wave 2 and carrier wave 3.
Step 802, target BS are selected the target member carrier of carrying UE business.
In the embodiment of the invention, target BS select target carrier wave 4 and carrier wave 5 are as the member carrier of carrying UE business.
Step 803, target BS are set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
In the embodiment of the invention, target BS is set up the corresponding relation of two carrier waves in carrier wave 1, carrier wave 2 and the carrier wave 3 and carrier wave 4 and carrier wave 5, for example, (carrier wave 1, carrier wave 4), (carrier wave 2, carrier wave 5), then, generate the increment configuration information of carrier wave 4, generate the increment configuration information of carrier wave 5 based on the configuration of carrier wave 2 based on the configuration of carrier wave 1.
Step 804, target BS sends to source base station with the increment configuration information of each target member carrier.
In the embodiment of the invention, target BS need send to UE with respect to increment configuration information, the carrier wave 5 of carrier wave 1 with respect to the increment configuration information of carrier wave 2 with carrier wave 4.Concrete, target BS can adopt special RRC signaling as shown in table 6 that the increment configuration information is sent to UE.
Table 6
| Carrier index | The carrier wave corresponding relation | Configuration |
| Carrier wave | ||
| 4 | |
|
| Carrier wave 5 | |
Carrier wave 5 is based on the increment configuration information of |
Step 805, source base station will send to UE from the increment configuration information of target BS by eating dishes without rice or wine.
Step 806, UE carries out parameter configuration according to the increment configuration information to each target member carrier, finishes the switching from the source base station to the target BS.
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 1 and carrier wave 2 to carrier wave 4 and carrier wave 5 according to carrier wave 4 and carrier wave 5, and the UE acquiescence not have the parameter of appearance identical with each self-corresponding carrier wave in the increment configuration information of carrier wave 4 and carrier wave 5.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention eight has been proposed on the basis of the method that the embodiment of the invention one provides, among the embodiment eight, UE carries out multi-carrier transmission on the carrier wave 1,2,3 of source base station, and UE need switch to target BS from source base station, detailed process may further comprise the steps as shown in Figure 9:
In the embodiment of the invention, source base station is selected the parameter configuration notification target base station with carrier wave 2.
In the present embodiment, target BS select target carrier wave 4, carrier wave 5 and carrier wave 6 are as the member carrier of carrying UE business.
In the embodiment of the invention, target BS need send to UE with respect to the increment configuration information of carrier wave 2 with carrier wave 4, carrier wave 5 and carrier wave 6.Concrete, target BS can adopt special RRC signaling as shown in table 7 that the increment configuration information is sent to UE.
Table 7
| Carrier index | Configuration |
| Carrier wave | |
| 4 | |
| Carrier wave 5 | Carrier wave 5 is based on the increment configuration information of |
| Carrier wave 6 | Carrier wave 6 is based on the increment configuration information of |
In the embodiment of the invention, UE need carry out parameter configuration with respect to the increment configuration information of carrier wave 2 to carrier wave 4, carrier wave 5 and carrier wave 6 according to carrier wave 4, carrier wave 5 and carrier wave 6, UE acquiescence not have the parameter of appearance to be the parameter identical with carrier wave 2 in the increment configuration information of carrier wave 4, carrier wave 5 and carrier wave 6, for these parameters, UE will be configured according to the parameter of carrier wave 2.
The embodiment of the invention nine provides a kind of system that realizes that multicarrier switches, and as shown in figure 10, comprises source base station 1001, target BS 1002 and UE 1003, wherein,
Concrete, target BS 1002 is used to obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the main carrier of source base station; Or from each member carrier of source base station, select a carrier wave, and obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the carrier wave of this selection; If target member carrier number is greater than source member's carrier wave number, set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier, set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtain the increment configuration information of residue target member carrier according to corresponding relation; If target member carrier number equals source member's carrier wave number, set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtain the increment configuration information of each target member carrier according to one-to-one relationship; If target member carrier number less than source member's carrier wave number, is set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
The embodiment of the invention ten provides a kind of base station, as shown in figure 11, comprises receiving element 1101, acquiring unit 1102 and transmitting element 1103, wherein:
Receiving element 1101 is used to receive the configuration information from one or more member carriers of source base station;
Acquiring unit 1102 is used to obtain the increment configuration information of each target member carrier with respect to the complete configuration information of one or more member carriers of the source base station of receiving element 1001 receptions;
Transmitting element 1103, the increment configuration information that is used for acquiring unit 1102 is obtained sends to UE by source base station, makes UE carry out parameter configuration according to the increment configuration information to each target member carrier.
Wherein, if receiving element 1101 receives the configuration information from a member carrier of source base station, acquiring unit 1102 specifically is used for,
Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of this source member's carrier wave.
Wherein, if receiving element 1101 receives the configuration information from a plurality of member carriers of source base station, acquiring unit 1102 specifically is used for,
Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the main carrier of source base station; Or
From each member carrier of source base station, select a carrier wave, and obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the carrier wave of this selection.
Wherein, if receiving element 1101 receives configuration information from a plurality of member carriers of source base station, and target member carrier number is greater than source member's carrier wave number, and acquiring unit 1102 specifically is used for,
Set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier;
Set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtain the increment configuration information of residue target member carrier according to corresponding relation.
Wherein, if receiving element 1101 receives configuration information from a plurality of member carriers of source base station, and target member carrier number equals source member's carrier wave number, and acquiring unit 1102 specifically is used for,
Set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
Wherein, if receiving element 1101 receives configuration information from a plurality of member carriers of source base station, and target member carrier number is less than source member's carrier wave number, and acquiring unit 1102 specifically is used for,
Set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
In the embodiment of the invention, target BS obtains the increment configuration information of each target member carrier with respect to source member's carrier wave, and the increment configuration information sent to UE by source base station, and make UE carry out parameter configuration to each target member carrier according to the increment configuration information, realized the multicarrier switching.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (13)
1. the method that multicarrier switches is characterized in that, comprising:
Target BS receives the configuration information from the one or more member carriers of source base station;
Described target BS obtains the increment configuration information of target member carrier with respect to the complete configuration information of source member's carrier wave;
Described target BS sends to user equipment (UE) with described increment configuration information by described source base station, makes described UE carry out parameter configuration according to described increment configuration information to each target member carrier, finishes the switching from the source base station to the target BS.
2. the method for claim 1 is characterized in that, if target BS receives the configuration information from a member carrier of source base station,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a member carrier of source base station:
Described target BS obtains the target member carrier with respect to the increment configuration information from the complete configuration information of source main carrier.
3. the method for claim 1 is characterized in that, if target BS receives the configuration information from a plurality of member carriers of source base station,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS obtains the increment configuration information of target member carrier with respect to the complete configuration information of source main carrier; Or
Described target BS is selected a carrier wave from source member's carrier wave, and obtains the increment configuration information of target member carrier with respect to the complete configuration information of the carrier wave of this selection.
4. the method for claim 1 is characterized in that, if target BS receives configuration information from a plurality of member carriers of source base station, and target member carrier number is greater than source member's carrier wave number,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS is set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier;
Described target BS is set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtains the increment configuration information of residue target member carrier according to corresponding relation.
5. the method for claim 1 is characterized in that, if target BS receives configuration information from a plurality of member carriers of source base station, and target member carrier number equals source member's carrier wave number,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS is set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtains the increment configuration information of each target member carrier according to one-to-one relationship.
6. the method for claim 1 is characterized in that, if target BS receives configuration information from a plurality of member carriers of source base station, and target member carrier number is less than source member's carrier wave number,
Described target BS obtains the target member carrier and comprises with respect to the increment configuration information of the complete configuration information of a plurality of member carriers of source base station:
Described target BS is set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtains the increment configuration information of each target member carrier according to one-to-one relationship.
7. a system that realizes that multicarrier switches is characterized in that, comprises source base station, target BS and UE, wherein,
Described source base station is used for the configuration information to one or more member carriers of described target BS transmission source base station;
Described target BS is used to receive the configuration information from each source member's carrier wave of described source base station; Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of one or more member carriers of source base station; Described increment configuration information is sent to described UE by described source base station;
Described UE is used for according to the increment configuration information from described target BS each target member carrier being carried out parameter configuration, finishes the switching from the source base station to the target BS.
8. a base station is characterized in that, comprising:
Receiving element is used to receive the configuration information from one or more member carriers of source base station;
Acquiring unit is used to obtain the increment configuration information of each target member carrier with respect to the complete configuration information of one or more member carriers of the source base station of described receiving element reception;
Transmitting element, the increment configuration information that is used for described acquiring unit is obtained sends to UE by described source base station, makes described UE carry out parameter configuration according to described increment configuration information to each target member carrier.
9. base station as claimed in claim 8 is characterized in that, if described receiving element receives the configuration information from a member carrier of source base station, described acquiring unit specifically is used for,
Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of this source member's carrier wave.
10. base station as claimed in claim 8 is characterized in that, if described receiving element receives the configuration information from a plurality of member carriers of source base station, described acquiring unit specifically is used for,
Obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the main carrier of source base station; Or
From each member carrier of source base station, select a carrier wave, and obtain the increment configuration information of each target member carrier with respect to the complete configuration information of the carrier wave of this selection.
11. base station as claimed in claim 8 is characterized in that, if described receiving element receives configuration information from a plurality of member carriers of source base station, and target member carrier number is greater than source member's carrier wave number, and described acquiring unit specifically is used for,
Set up the one-to-one relationship of part target member carrier and all source member's carrier waves, and according to the increment configuration information of one-to-one relationship acquisition unit partial objectives for member carrier;
Set up the corresponding relation of residue target member carrier and source member's carrier wave, and obtain the increment configuration information of residue target member carrier according to corresponding relation.
12. base station as claimed in claim 8 is characterized in that, if described receiving element receives configuration information from a plurality of member carriers of source base station, and target member carrier number equals source member's carrier wave number, and described acquiring unit specifically is used for,
Set up the one-to-one relationship of each target member carrier and all source member's carrier waves, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
13. base station as claimed in claim 8 is characterized in that, if described receiving element receives configuration information from a plurality of member carriers of source base station, and target member carrier number is less than source member's carrier wave number, and described acquiring unit specifically is used for,
Set up the one-to-one relationship of each target member carrier and part source member carrier wave, obtain the increment configuration information of each target member carrier according to one-to-one relationship.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101627334A CN101925143A (en) | 2009-06-17 | 2009-08-12 | Multi-carrier switching method, system and device |
| PCT/CN2010/073866 WO2010145514A1 (en) | 2009-06-17 | 2010-06-12 | Multi-carrier handoff method, system and device |
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| CN200910086679.X | 2009-06-17 | ||
| CN200910086679 | 2009-06-17 | ||
| CN2009101627334A CN101925143A (en) | 2009-06-17 | 2009-08-12 | Multi-carrier switching method, system and device |
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| CN101925143A true CN101925143A (en) | 2010-12-22 |
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| CN2010101974900A Pending CN101959267A (en) | 2009-06-17 | 2010-06-11 | Method, system and device for multi-carrier switching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012094963A1 (en) * | 2011-01-13 | 2012-07-19 | 大唐移动通信设备有限公司 | Method and device for configuring cell information |
| WO2015032271A1 (en) * | 2013-09-06 | 2015-03-12 | 中兴通讯股份有限公司 | Signalling transmission method, system and network side of reference operations for multiple carriers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111800834B (en) * | 2019-08-13 | 2023-07-07 | 维沃移动通信有限公司 | Cell switching method, device, equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101277145B (en) * | 2007-03-30 | 2012-05-09 | 联想(北京)有限公司 | Method for switching main and auxiliary son carrier waves |
| US9392504B2 (en) * | 2007-06-19 | 2016-07-12 | Qualcomm Incorporated | Delivery of handover command |
| CN101340230B (en) * | 2007-07-05 | 2012-12-19 | 中兴通讯股份有限公司 | Stochastic access method of TD-SCDMA uplink enhancing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012094963A1 (en) * | 2011-01-13 | 2012-07-19 | 大唐移动通信设备有限公司 | Method and device for configuring cell information |
| WO2015032271A1 (en) * | 2013-09-06 | 2015-03-12 | 中兴通讯股份有限公司 | Signalling transmission method, system and network side of reference operations for multiple carriers |
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